From patchwork Tue Aug 1 13:48:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: wangzhu X-Patchwork-Id: 13336730 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3511AC001E0 for ; Tue, 1 Aug 2023 13:48:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=TEcIJUK847eWFMqdwcUw/vlZthu9rBsJuEDcCj+Nefo=; b=yQ/W24v89tmC++ 4j7Or3t+zCxyV/GzOxV9WuvpXfa2GLkEFMM3u3Nhsi4k88TWieJ+h2qWmGC6aM9QzVCwNRpwNXKcK wLfSG+5c6a7OpfxzjZkagXSGeuwhHhbPrGiDRdc7lrjKdIM76X9CTQh8uhrEcrUnPtdrrb+Rawrdu qJITIoTk8mqxTsKBN55GHJHgyCxPDdwxAfzXYHZ6XeE9BwB5HtrCt99RCauZY5g9pk/n1laseBeiK HGDQuRUz1EBFJO0HFcAtMRi9/5Cgz1hfZCd9Ke8FOlfllXIKCVUeB3hp+N19u21ppLldVQ7CD7gFj TwXa3RCMCcxhHdap1eww==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qQpk6-002UOK-0W; Tue, 01 Aug 2023 13:48:54 +0000 Received: from szxga08-in.huawei.com ([45.249.212.255]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qQpk3-002UNS-0M; Tue, 01 Aug 2023 13:48:52 +0000 Received: from dggpeml500025.china.huawei.com (unknown [172.30.72.55]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4RFbym5D9kz1GDGh; Tue, 1 Aug 2023 21:47:44 +0800 (CST) Received: from ubuntu1804.huawei.com (10.67.174.202) by dggpeml500025.china.huawei.com (7.185.36.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Tue, 1 Aug 2023 21:48:45 +0800 From: Zhu Wang To: , , , , , , CC: Subject: [PATCH -next v2] i2c: remove redundant dev_err_probe() Date: Tue, 1 Aug 2023 21:48:14 +0800 Message-ID: <20230801134814.247782-1-wangzhu9@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.67.174.202] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpeml500025.china.huawei.com (7.185.36.35) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230801_064851_344045_D8717D76 X-CRM114-Status: GOOD ( 12.64 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org When platform_get_irq() is called, the error message has been printed, so it need not to call dev_err_probe() to print error. As the comment of platform_get_irq() says, it returned non-zero value when it succeeded, and it returned negative value when it failed. Signed-off-by: Zhu Wang Reviewed-by: Conor Dooley --- Changes in v2: - Update the comment, explain the return value of platform_get_irq(). --- drivers/i2c/busses/i2c-davinci.c | 2 +- drivers/i2c/busses/i2c-microchip-corei2c.c | 5 ++--- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c index 52527189a7bf..329c952d5062 100644 --- a/drivers/i2c/busses/i2c-davinci.c +++ b/drivers/i2c/busses/i2c-davinci.c @@ -765,7 +765,7 @@ static int davinci_i2c_probe(struct platform_device *pdev) irq = platform_get_irq(pdev, 0); if (irq < 0) - return dev_err_probe(&pdev->dev, irq, "can't get irq resource\n"); + return irq; dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); if (!dev) diff --git a/drivers/i2c/busses/i2c-microchip-corei2c.c b/drivers/i2c/busses/i2c-microchip-corei2c.c index 7f58f7eaabb6..0b0a1c4d17ca 100644 --- a/drivers/i2c/busses/i2c-microchip-corei2c.c +++ b/drivers/i2c/busses/i2c-microchip-corei2c.c @@ -378,9 +378,8 @@ static int mchp_corei2c_probe(struct platform_device *pdev) return PTR_ERR(idev->base); irq = platform_get_irq(pdev, 0); - if (irq <= 0) - return dev_err_probe(&pdev->dev, -ENXIO, - "invalid IRQ %d for I2C controller\n", irq); + if (irq < 0) + return irq; idev->i2c_clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(idev->i2c_clk))